html,
body {
    height: 100%;
    width: 100%;
    position: relative;
}
#box55{
    width: 400px;
    height: 200px;
    background: red;
    position: absolute;
    top: 50%;
    margin-top:-100px ;
    left: 50%;
    margin-left:-200px;
}
.duigou {
    width: 50px;
    height: 50px;
    border: 2px solid #f2972a;
    margin-left: 15%;
    float: left;
    margin-top: 10%;
    border-radius: 50%;

}

.duigou p {
    text-align: center;
    margin: auto;
    font-size: 30px;
    color: #f2972a;
    margin-top: 10%;
}

.pay-success {
    color: #f2972a;
    font-size: 28px;
    float: left;
    margin-top: 12%;
    margin-left: 3.5%;
}

.input1,
.input2 {
    width: 120px;
    height: 30px;
    background: #f2972a;
    text-align: center;
    border-radius: 5px;
    margin-top: 27%;
    margin-left: -67%;
    cursor: pointer;

}

.input2 {
    margin-left: 5%;
    background: #498e3d;

}

.bianhao {
    margin-left: 42%;
    margin-top: 2.5%;
    color: #666666;
}